JPredicate.cc File Reference

Auxiliary program to test JLANG::JPredicate class and helper methods. More...

#include <iostream>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <iterator>
#include "JLang/JPredicate.hh"
#include "JLang/JComparison.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

Go to the source code of this file.

Functions
int	main (int argc, char **argv)

Detailed Description

Auxiliary program to test JLANG::JPredicate class and helper methods.

Author

mdejong

Definition in file JPredicate.cc.

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 56 of file JPredicate.cc.

{
  using namespace std;
  using namespace JPP;
 
  int         debug;
 
  try {
 
    JParser<> zap("Auxiliary program to test object selection methods.");
 
    zap['d'] = make_field(debug)   = 3;
 
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }
 
  vector<__A__> buffer;
 
  buffer.push_back(__A__(3));
  buffer.push_back(__A__(4));
  buffer.push_back(__A__(2));
  buffer.push_back(__A__(1));
  buffer.push_back(__A__(5));
 
 
  print(cout, debug, "data:", buffer.begin(), buffer.end());
 
  int x = 3;
 
  {
    vector<__A__>::const_iterator p = find_if(buffer.begin(), buffer.end(), make_predicate(&__A__::a, x));
 
    DEBUG("has " << x << "? " << (p != buffer.end() ? "yes" : "no") << endl);
 
    ASSERT(p != buffer.end() && p->a == x);
  }
 
  {
    vector<__A__>::const_iterator p = find_if(buffer.begin(), buffer.end(), make_predicate(&__A__::get, x));
 
    DEBUG("has " << x << "? " << (p != buffer.end() ? "yes" : "no") << endl);
 
    ASSERT(p != buffer.end() && p->get() == x);
  }
 
  {
    vector<__A__>::iterator p = partition(buffer.begin(), buffer.end(), make_predicate(&__A__::a, x, JComparison::lt()));
 
    print(cout, debug, "selection:", buffer.begin(), p);
 
    for (vector<__A__>::iterator i = buffer.begin(); i != p; ++i) {
      ASSERT(i->a < x);
    }
  }
 
  {
    ASSERT(count_if(buffer.begin(), buffer.end(), make_predicate(&__A__::a, 1, JComparison::eq())) == 1);
    ASSERT(count_if(buffer.begin(), buffer.end(), make_predicate(&__A__::a, 2, JComparison::gt())) == 3);
  }
 
  return 0;
}